Year	% of GDP
1960	90.32294505640681
1961	88.56955546952801
1962	90.87533853180007
1963	89.94493602375235
1964	90.78605732141189
1965	91.61192727569637
1966	91.63055986862507
1967	91.83197400885305
1968	96.29912686611348
1969	101.52648936026351
1970	100.50354133936412
1971	98.20098981933656
1972	95.81685075118975
1973	90.43600564381434
1974	69.14657791947454
1975	74.851055488999
1976	80.55961746751291
1977	83.74130781870475
1978	89.57526996598443
1979	93.84927376524146
1980	87.77564536280606
1981	88.61382273574885
1982	99.18588676592962
1983	100.02037077972386
1984	106.46216313445866
1985	104.59799861182893
1986	102.98760782723431
1987	109.68986922052085
1988	108.93067523267878
1989	107.2596108648753
1990	99.73029242890978
1991	97.71293724491336
1992	98.20781203486484
1993	104.65119950205113
1994	106.37407378633416
1995	109.93021205143876
1996	119.54718471360985
1997	125.24431859539158
1998	128.00077957547322
1999	142.56530661956285
2000	112.38195157870985
2001	113.85881629408408
2002	120.77483105615967
2003	129.38652076742846
2004	129.19042143814406
2005	133.1619907779216
2006	131.02585174875585
2007	127.26021089163417
2008	126.91898901474087
2009	139.14683145693806
2010	141.74648353851117
2011	154.88701233012313
2012	172.87988782213654
2013	176.91180552135557
2014	181.93748037124647
2015	181.43105340969035
2016	184.71028546675436